井水越是甘甜，就越容易枯竭；树木越是高大，就越容易被砍伐。

It is error only, and not truth, that shrinks from inquiry.

The true teacher defends his pupils against his own personal influence. He inspires self-trust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.

艺术家的职责是扰乱。